60704640 has 160 divisors (see below), whose sum is σ = 216972360. Its totient is φ = 16174080.

The previous prime is 60704629. The next prime is 60704647. The reversal of 60704640 is 4640706.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60704647) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51255 + ... + 52425.

Almost surely, 2^60704640 is an apocalyptic number.

60704640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60704640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108486180).

60704640 is an abundant number, since it is smaller than the sum of its proper divisors (156267720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60704640 is a wasteful number, since it uses less digits than its factorization.

60704640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 60704640 is about 7791.3182453292. The cubic root of 60704640 is about 393.0133437576.

The spelling of 60704640 in words is "sixty million, seven hundred four thousand, six hundred forty".